#train {
	#main1 {
		position: relative;
		#back {
			position: absolute;
			left: 20px;
			top: 15px;
			font-family: 宋体;
			color: #fff;
			font-size: 30px;
			font-weight: bold;
		}
		// 视频预览部分
		#preview {
			position: relative;
			width: 100%;
			height: 350px;
			background-color: #000;
			line-height: 400px;
			i {
				position: absolute;
				left: 185px;
				top: -42px;
				color: #fff;
				font-size: 40px;
			}
			p {
				color: #fff;
				text-align: center;
			}
			video {
				display: none;
				width: 100%;
				height: 100%;
			}
		}
		// 视频下方文字
		#videoBottom {
			padding: 20px 20px;
			p {
				margin: 10px 0;
			}
			.link {
				width: 98%;
				height: 2px;
				background-color: #ddd;
			}
		}
	}
	// 用户名部分
	#main2 {
		display: flex;
		justify-content: space-around;
		align-items: center;
		#avator {
			width: 80px;
			height: 80px;
			border-radius: 50%;
			background-color: #ccc;
		}
		#username {
			p {
				margin: 15px 0;
			}
		}
		// 关注
		#follow {
			button {
				background-color: #4294ff;
				height: 35px;
				width: 80px;
				padding: 5px 10px;
				color: #fff;
				border-radius: 15px;
			}
		}
	}
	#text {
		margin: 20px;
		line-height: 20px;
	}
	#main3 {
		display: flex;
		justify-content: space-around;
		margin: 50px 0;

		i {
			font-size: 30px;
			font-weight: bolder;
		}
		#left {
			width: 50%;
			border-right: 1px dashed #ccc;
			padding: 0 40px;
		}

		#right {
			width: 50%;
			padding: 0 40px;
		}
	}
	#startTrain {
		margin: 30px auto;
		a {
			display: block;
			width: 85%;
			height: 50px;
			text-align: center;
			line-height: 50px;
			color: #fff;
			background-color: #4294ff;
			border-radius: 25px;
			margin: 30px auto;
		}
	}
}
